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The standard enthalpy change of the transition is 732 kJ/ mol. The myoglobin unfolds with the transition temperature of 45oC. Find out the entropy of unfolding of myoglobin at 298K.
Explain how much disodium citrate and sodium citrate must be used, in order to make a liter of a pH 4.5 citrate buffer with a total citrate concentration of 0.25 M.
Calculate the area in square meters of 363 g Al foil that has a thickness of 16641 nm which is having the density of Al is 2.70g/cm3.
A 50.0 mL graduated cylinder has a mass of 50.7 g. When a graduated cylinder is filled with an unknown liquid to the 39.4 mL mark, the liquid and cylinder combined have a mass of 156.6 g.
Coin box has 3 times as many nickles and 4 times as many quarters as it does dimes. If box has the total of $96.25, how many coins of each type does it have?
Determine the numbers of grams of KI are required to produce 1.0g of the yellow solid PbI2?
Determine the numbers of grams of the phosphorus-having compound are you putting on your lawn? If the phosphorus-containing compound consists of 43.64% phosphorus, determine the numbers of phosphoru
Sodium carbonate is used to standardize acids in the same way it may be a reagent that you have used KHP in this experiment.
The goldsmith has 120 grams of the gold alloy (the mixure of gold and one more other metals) having 75% pure gold. How much pure gold should be added to the alloy which is 80% pure gold?
At 300.0 K a 28-L volume of gas contains the 1.5g of nitrogen, 11 g of methane and 16 g of carbon dioxide. Calculate the partial pressure exerted by each gas.
At 285 K a bottle has an ideal gas at a pressure of 155.7 x103 Pa. The rubber stopper closing the bottle is removed. The gas expands adiabatically against Pexternal = 111.4 x 103 Pa and
It turned dark before she was prepared to return home, so friend drove her home at the rate of 80 kilometers per hour. Aya's total traveling time was 3 hours, how far away did her friend live?
Lucas is 1/3 of the mile from home, bicycling at 20 miles per hour, when his brother leaves home on bike to catch up. How fast should Luca's brother go to catch Lucas mile from home?
Kevin won 735,000 on the TV game show. He made decision to keep the certain amount for himself, provide one-half the amount. How much each person got?
If Quck Mart sold the total of 1113 lottery tickets during July and August, determine number of tickets were sold every month?
The gambler heard from odds-maker that team has the 50% probability of winning Saturday's game. Find probability that back up quarterback is playing?
A very small tumor of initial size M is observed every 10 days, and over each ten-day period, it has grown 70% larger. Write the formula representing size of tumor after t days (t = 0, 10, 20, . . .)
Small business purchases the computer for $3900. After four years value of computer is expected to be $200. Determine depreciated value of computer three years from date of purchase.
Write the formula for number of vehicles (in millions) as the function of t, number of years since 2000. Write the formula for number of people (in millions) as the function of t, number of years sinc
The doorway has shape of the parabolic arch and is 9 feet high at center and 6 feet wide at base. If the rectangular box 8 feet high should fit through doorway, determine the maximum width box can
The hemisphere is on top of the cylinder. Explain total volume as the function of radius r. Height of side is 10 meters. Determine radius if total voulume is 27 pi m3.
At given time t=0 A car is 30 miles south of B car and traveling north at 60 mph. B Car is traveling west at 40 mph. Explain distance D in miles and at function of time in hours.
Verify the results utilizing the graphing utility. If essential, write f in form f(x) =a(x-h)^2 + k. Functions are f(x)+ x^2 +4x+2, f(x)=-x^2-6x, and f(x)=-2x^2 + 2x -3
Use simplified expression from part a to reply these questions. With the 30% reduction followed by the 30% reduction, is television selling at 40% of its original price? If not, at what percentage o
To sell additional kilogram of snig, how much does price require to decrease? Price requires to decrease by Bozats. Solve price-demand equation for x in terms of p.